We are sad to hear the news that Heidi Klum and Seal have separated after seven years of marriage. With four children and lots of sweet moments captured of the happy couple, the model-turned-TV-personality and "Kiss From a Rose" musician seemed to be one of the few Hollywood couples that could last for the long haul. They even held a vow renewal ceremony every year on their anniversary and had a show where they gave relationship advice. As we say so long to the power couple that was, let's look back at their sweetest PDA-filled moments.